Home / 62,409.43-86,124.89-34,115.12

Finding the Fourth Proportional to 62,409.43, 86,124.89 and 34,115.12

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Solution

The fourth proportional to 62,409.43, 86,124.89 and 34,115.12 is: 47,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,409.43 : 86,124.89 = 34,115.12 : x
  2. Step 2: Convert to fraction form
    62,409.43/86,124.89 = 34,115.12/x
  3. Step 3: Cross multiply
    62,409.43x = 86,124.89 × 34,115.12
  4. Step 4: Simplify right side
    62,409.43x = 2,938,160,612.00
  5. Step 5: Solve for x
    x = 2,938,160,612.00/62,409.43
  6. Step 6: Final answer
    x = 47,078.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.